Telephone instrument



FIG. 1 is a left side, top and front end perspective view showing our new telephone instrument;

FIG. 2 is a bottom plan view;

FIG. 3 is a top plan view;

FIG. 4 is a right side elevational view;

FIG. 5 is a front elevational view; and

FIG. 6 is a rear end elevational view. 

The ornamental design for a telephone instrument, as shown and described. 